PhabricatorJSONDocumentEngine.php
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	<?php

	final class PhabricatorJSONDocumentEngine
	extends PhabricatorTextDocumentEngine {

	const ENGINEKEY = 'json';

	public function getViewAsLabel(PhabricatorDocumentRef $ref) {
	return pht('View as JSON');
	}

	protected function getDocumentIconIcon(PhabricatorDocumentRef $ref) {
	return 'fa-database';
	}

	protected function getContentScore(PhabricatorDocumentRef $ref) {
	if (preg_match('/\.json\z/', $ref->getName())) {
	return 2000;
	}

	if ($ref->isProbablyJSON()) {
	return 1750;
	}

	return 500;
	}

	protected function newDocumentContent(PhabricatorDocumentRef $ref) {
	$raw_data = $this->loadTextData($ref);

	try {
	$data = phutil_json_decode($raw_data);

	if (preg_match('/^\s*\[/', $raw_data)) {
	$content = id(new PhutilJSON())->encodeAsList($data);
	} else {
	$content = id(new PhutilJSON())->encodeFormatted($data);
	}

	$message = null;
	$content = PhabricatorSyntaxHighlighter::highlightWithLanguage(
	'json',
	$content);
	} catch (PhutilJSONParserException $ex) {
	$message = $this->newMessage(
	pht(
	'This document is not valid JSON: %s',
	$ex->getMessage()));

	$content = $raw_data;
	}

	return array(
	$message,
	$this->newTextDocumentContent($ref, $content),
	);
	}

	}